Improvement in hay-elevators



.T. T. JARRET Hay Elevator.

P atented May 30, 1854.

UNITED STATES PATENT "()FFI'cE.

THOMAS T. JARRETT, 0F HORSHAM, PENNSYLVANIA.

IMPROVEMENT IN HAY-ELEVATORS.

Specification forming part of Letters Patent No. 10,989, dated May 30, 1854.

.To all whom it may concern: passes a rope, T,'conn ected with the end of Be it known that I, THOMAS T. JARRETT, of the catch E, and over the lower one passes a Hot-sham, inthe county of Montgomery'and rope, N, connected, with the tongue l). The

State of Pennsylvania, have invented certain latter rope also passes inside a pulley, J, at-" new and useful Improvements in what are tached to the backof the head A. known as Hay-Elevators, for elevating hay The elevator is st1- pended at the top of the or any other product of a similar nature to hail from a rope, which is shown in the drawwhich they are applicable; and 1 do hereby lugs, to pass over a pulley at or near the top declare that the following is a full, clear, and of the barn or other place in which it is used, exact description of the same, reference being its position being close in front of the hayhad to the accompanying drawings, making a 'mow,which is boarded. up nearly as high as part of this specification. in whichthe elevator is raised, to prevent the prongs Figure 1 shows side views otan elevator catchingin theirascent. Thelast-named rope having my improvements, the positional the is supposed to pass round, another pulley or parts in carrying up the load being shown in pulleys to conduct it to a convenient p lace'for black and in discharging the load in red color. attachinga horse for the purpose of drawing Fig. 3 is a detached view of the disengagingit up. I The rope I passes over a pulley, K, at-

gear for unloading. tached to some suitable place, and has two Similar letters of reference indicate corre' weights attached-viz, theone, L, which. is sponding parts ineach of .the several figures. heavy enough to-raise' the catch E from the This invention consists in certain means by tongue, and another, M, nearer the pulley K, which the discharge of the elevator can be efwhich is only heavy enough to takeup the fected when it has reached any desired elevaslack in the rope'to prevent its incouiinoding tion. the operation. The rope N-hangs down to a To enable those skilled in the art to make convenient place to be held by the operator in and use my invention, I will proceed to de charge. r scribe its construction and operation. The operation of the elevator is conducted The elevator, apart from its improved adin the following manner: In order to load it, justments and appendages, resembles in its the' tongue D is secured by the catch, when it general character the elevators in common may be loaded in. the same way as the comuse. mon elevator, and the horse being started, it

A isthe head, which receives the prongs B commences ascending. The operator takes B, which are rigidly secured. The head is therope N, but lets it slip loosely through his suspended by a bail, O, on which it-hangs, so hands during the ascent. The rope-I'is slack as to be capable of swinging freely when not below the weight M until the elevator has held in a fixed position by thetongue or lever reached the' desired height, being of such" D, which is attached rigidly to it, and whose length that it is tightenedto take the weight end is received-in a loop-catch, E, which hangs of Ljust at that time. Theefl'ect ofthe weight on a pin, b, near the top of the bail. The loop- L is to raise the catch E and set the-tongue catch is so operated upon by a spring, a, be- D free; The weightof the hay or of the eletween the sides of the bail as to be always vator itself is sufficient to tip it quickly to the -il.ll0Wll(1U\\'[l,WhBll nototherwiseinfluenced,to position shown in red in Fig. 1, and the load .a position seen in black part of Fig.1, and is thus discharged. The operator thenpulls' also in Fig. 3, where it will catch the end of the rope N, asthe'lowering ofthe clevatorcomthe tongue when the latter is brought to a mences, to pull it from the mow, and in so dosnitable position close to the bail or to a block, ing it draws the tongue D back till it is caught F, which is secured to form part of it, and the by the catch E, which by that time will have hall is then caused to be rigidly connected become free from the influence of the weight with the head A. L. The elevator is now ready for a new load Between the sides of the bail there is sewhen it reaches the proper place to take it up. cured the blbck F, which receives two pulleys, The height at which the elevator is made to G and H, over the upper one, G. of which unload is regulated by the length of rope between it and the weight L, the height being Setting the catch E free when the elevator increased by lengthening the rope and dereaches any desirable height by connecting creased by shortening it. the said catch with a weight, L, by a rope, I,

It may seem that securing the rope to some whose length is adjusted in proper relation to a fixed object might have the same eflect as atthe height, as. described, to make the weight taching the-weight L, which is true; but in operate on the catch precisely when the ele that case there would bejgreat danger of the vator reaches such a height. rope breaking in consequence of the horse drawing the elevator too high. This danger THOMAS T. JARRETT. is obviated by the' weight L, whichis made i v only just heavy enough to raise the catch. Witnesses:

What I claim as new, and desire to secure CHARLES PALMER, by Letters'Patent, i s-- a i .SAMU-ELGILKESON- V V t V j 

